Quote:
Originally Posted by fishytime
The Herbie system is the safest and quietest method of doing an overflow....its totally a gravity feed, no gurgling, no fiddling with vent hole sizes, no back pressure....it will cost you probably around $80(cost of the extra hole, a few plumbing parts and a gate valve) more to do a Herbie, but well worth the investment IME....the link in your last post has lots of good tips and info....if you have any other questions about it or need more detailed pics, just ask.
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Could I get a couple more detailed pictures?
Also do you have to drill the holes in the bottom of the tank to do the herbie system?
how do you make the pumbing stable ?